20173988

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 36425760

約数和(自身を除く): 16251772

約数列:

[1, 2, 4, 59, 73, 118, 146, 236, 292, 1171, 2342, 4307, 4684, 8614, 17228, 69089, 85483, 138178, 170966, 276356, 341932, 5043497, 10086994, 20173988]

約数ペア:

[(1, 20173988), (2, 10086994), (4, 5043497), (59, 341932), (73, 276356), (118, 170966), (146, 138178), (236, 85483), (292, 69089), (1171, 17228), (2342, 8614), (4307, 4684)]